Pith Number

pith:WGOGOUWU

pith:2014:WGOGOUWUMBY4QZJ6XAJUUZNUS5

not attested not anchored not stored refs pending

Superluminal Spot Pair Events in Astronomical Settings: Sweeping Beams

Robert J. Nemiroff

arxiv:1412.7581 v1 · 2014-12-24 · astro-ph.IM · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGOGOUWUMBY4QZJ6XAJUUZNUS5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:41:15.845782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19c6752d46071c8653eb8134a65b49778565fbbefa0b6b4d9b41bf1f9f5bb8c

Aliases

arxiv: 1412.7581 · arxiv_version: 1412.7581v1 · doi: 10.48550/arxiv.1412.7581 · pith_short_12: WGOGOUWUMBY4 · pith_short_16: WGOGOUWUMBY4QZJ6 · pith_short_8: WGOGOUWU

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WGOGOUWUMBY4QZJ6XAJUUZNUS5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b19c6752d46071c8653eb8134a65b49778565fbbefa0b6b4d9b41bf1f9f5bb8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d63d7cd6447a6cf728ea8a348928565e38c5261192e46b6167a5ffc44325154",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-12-24T01:38:07Z",
    "title_canon_sha256": "d527972184bf8c3416ec85a81786bcd24a1fdb19ff8277e520fcbfad5c8d24ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.7581",
    "kind": "arxiv",
    "version": 1
  }
}